Already have an account? Get multiple benefits of using own account!
Login in your account..!
Remember me
Don't have an account? Create your account in less than a minutes,
Forgot password? how can I recover my password now!
Enter right registered email to receive password!
The regulatory board of health in a particular state speci?es that the ?uoride levels in water must not exceed 1.5 parts per million (ppm). The 20 measurements given here represent the randomly selected daily early morning readings on ?uoride levels in water at a certain city.
0.88 0.82 0.97 0.95 0.84 0.90 0.87 0.78 0.75 0.83
0.71 0.92 1.11 0.81 0.97 0.85 0.97 0.91 0.78 0.87
Test the hypothesis that the median ?uoride level for this city is 0.90 against the alternative that the median is different from 0.9 at α = 0.01, using (a) the large sample sign test, and (b) the Wilcoxon signed rank test. Interpret the results.
1. Develop histograms showing the distribution of rivet diameters from the original and new supplier correct answer. 2. Compute the sample means and standard deviations for the two sets of data.
Gather three of your favorite packaged foods; perhaps one from each: breakfast, lunch and dinner. Use the model explained in the "Are You Sure It's Fat Free?" to analyze, through the mathematical formula explained the fat content and protein conte..
you are choosing among three investment plans. the payoffs of these investment plans depends on next years gdp see the
Construct a frequency distribution, percentage distribution, and cumulative percentage distribution for average airfares.
A pharmaceutical company is testing the effectiveness of a new drug for lowering cholesterol. As part of this trial, they wish to determine whether there is a difference between the effectiveness for women and for men. At = .05, what is the test v..
when only concerned about the results at one end of the distribution curve we use a one-tail test. we generally see a
What is the probability of randomly selecting one individual (male or female) with a current annual salary of over $55,000?
A 15-minute Oil and Lube service claims that their average service time is no more than 15 minutes. A random sample of 35 service times was collected, and the sample mean was found to be 16.2 minutes, with a sample standard deviation of 3.5 minute..
Is there sufficient evidence at the 0.05 level of significance to conclude that the proportion of women physicians at the university health system exceeds 27.9%?
this past year a gallup poll surveyed 1228 households in the u.s about gun ownership. of those surveyed 435 said they
Assume the number of days it takes a homebuilder to complete a house is normally distributed with an average completion time of 176.7 days and a standard deviation of 24.8 days. Calculate the completion time that the builder has a 40% probability ..
as reported by a source for statistics the mean serum high density of females 20-29 years old is 53. if serum
Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!
whatsapp: +1-415-670-9521
Phone: +1-415-670-9521
Email: [email protected]
All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd